“The toxicity of medical and industrial gas to the human depends on where it is used. A gas that is regarded as safe in a well ventilated environment at sea level may be a toxic gas in an indoor environment at high altitude.”

Steven Magee is a British philosopher and historian of ideas. He is best known for his work on the Enlightenment, particularly his exploration of how philosophical movements shaped modern thought. His writing bridges academic rigor and accessible insight, making complex ideas approachable.